--- rc.old	2005-08-19 01:35:02.000000000 +0900
+++ rc	2005-08-19 01:37:53.000000000 +0900
@@ -513,8 +513,11 @@
 
 	# Clear $svcdir from stale entries, but leave the caches around, as it
 	# should help speed things up a bit
-	rm -rf $(ls -d1 "${svcdir}/"* 2>/dev/null | \
+	if [ -n "${svcdir}" ]
+	then
+		rm -rf $(ls -d1 "${svcdir}/"* 2>/dev/null | \
 	         grep -ve '\(depcache\|deptree\|envcache\)')
+	fi
 
 	# Update the dependency cache
 	/sbin/depscan.sh -u